Glass feeding and delivering mechanism and process



July 17, 1928.

E. T. FERNGREN GLASS FEEDING AND DELIVERING MECHANiSM AND PROCESSOriginal Filed Sept. 29, 1915 e sheet 1 W QN NN w QR 9w v V. 1\ E Q m b.g Q U D M an 11 i I T \wwfi www y D r W m N.N\ x QQ/ \Q @m $7 Q NW V g@w 3 wk sq H Q N NM. a Q mwQw 0 fl w N a w July 17, 1928.

E. T. FERNGREN I GLASS FEEDING AND DELIVERING MECHANISM AND PROCESS NR23$ w\ p 1/7 2 1 .IL g w QQ N w a5 a; N m mm w. NNN v H H MANN? W W w QRNR m @C v m NT 6 July 17', 1928.

E. T. FERNGREN 1.1155 FEEDING AND DELIVERING MECHANISM AND PROCESSOriginal Fil'ed Sept. 29, 1915 7 Sheets-Sheet 3 lime/Lib? July 17, 1928.1,677,436

E: T. FERNGREN GLASS FEEDING AND DELIVERING MECHANISM, AND PROCESSOriginal Filed Sepia. 29, 1915 7 s t s t 4 lillllllll /QZ /Q2 %Z7w&ye6'IICUQIZZLOI 7 Sheets-Sheet 5 V 6 6 $17 v W 6 M 2 w 6 z M e w 7 I "July17, 1928.

E. T. FERNGREN GLASS FEEDING ANDDELIVERING MECHANISM AND PROCESSOriginal Filed Sept. 29, 1915 July 17, 1928. 1,677,436

I E. T. FERNGREN v GLASS FEEDING AND DELIVERING MECHANISM AND PROGESSOriginal Filed Sept. 29, 1915 "I Sheets-Sheet 6 mwv k 3 Jqly17, 1928.

E. T. FERNGREN GLASS FEEDING AND DELIVERING MECHANISM AND PROCESSOrigipl Filed Sept. 29, 1915 7 sh t t 7 Patented July 17, 1928.

PATE T. oral-cs.

EiN'OCH'T. FER'NGBEN, Q1 BEAVER, PENNSLVANIA, ASSIGNOR, BY IESNE ASSIGN-MENTS, TO HARTFORD-EMPIRE COMPANY, OF HARTFORD, CONNECTICUT, A COR-PORATION OF DELAWARE;

GLASS IEIEJJIITG- DELIVERING MECHANISM AND PROCESS.

Application filed September 29, 1913, semi no. 276,175. Renewed Februaryin, 1919.

This invention relates to method of and apparatus for feeding anddelivering molten glass from glass furnaces and the principal object inview is to provide an lmproved method of and "mechanical constructionfor handling the glass, in which compressed air and suction means areemployedto facilitate the flow of the glass. In carrying out this objectI employ an air bell for segregating a charge of the molten glass in thefurnace and retaining this charge over the discharge opening by means"of suction. I further employ a cup for receiving and delivering theglass, which cup is movable in a vertical line from below toward thedischarge opening of the furnace from which the glass charge istransferred to the cup by means of suction produced within the latter atthe same instant as compressed air is substituted for'suction in the airbell. After the cup has received its charge it is removed from thedischarge opening of the furnace to the location of the molds and thereinverted to discharge its contents into the molds provided therefor.

Knother object is to minimize the chilling I imparted by shearing kniveswhen severing a molded quantity of lass from its supply in the nozzle,which 0 ject is accomplished by vertically withdrawing the mold from.its charging position with the mouth of the nozzle, whereby the glassthat connects is nearly pulled apart or almost cleft along a transversecross-sectional plane, but leaving a small diameter stem of tension orstretched glass between the glass in the mold and the glass in thenozzle mouth, whereby less glass is exposed to the shearing knives.

With these objects in View, the invention consists in certain novel andpeculiar features of construction and organization a as hereinafterdescribed and pointed out in the appended claims, and in order that itmay be fully understood reference is to be had to the accompanyingdrawings,in which Fig. 1 is a plan view of the apparatus. Fig. 2 is avertical section along the line II-II of Figure 1.

Fig. 3 is a plan view onanenlargedscale of the parts shown at the middleof Figure 2, being partly in section along the" line I II-III.

Fig. 4 is an end elevation of the apparatus looking at the same from theleft in Figure 2, being artl, in IV-IV. v i I Fig. 5 is a verticalsection taken on'an enlarged scale along the line 'VV of Figure 10,certain of the parts being shown in altered position.

I Fig. 6 is a horizontal section. on the line VI-VI of Figure 5. i

Fig. 7 is'a vertical section on an enlarged scale along the line VII-VIIof Figure 1. Fig. 8 is a. horizontal section on the line VIIIVIII ofFigure 7..

Fig. 9 is a side elevation of the stand which carries th devices foroperating the knives "section along the line and locking the feed cup,being'the same parts as shown in Figure 8 and'in the lower 'half ofFigure 7.

Fig. 13 is a perspective view of the feed cup reversing sleeve.

Fig. 14is .a vertical section showing a modified form of furnaceextension.

Fig. 15 is a diagram showing the. relative arrangement of. certain ofthe air pipe connections. I

In the drawings the furnace 2 is, shown as provided with an extension 4providing a feedreservoir in communication with the furnace proper andin which the molten glass 6 (Fig. 7) stands at the same level as in thefurnace. Theextension is provided with a discharge opening within whichis fitted a nozzle 8 the outer portion of which is formed with a seriesof openings 10 through which the flame from a blow torch or otherheating means, not shown, may be directedagainst the stem of the nozzleto maintain the molten condition of the glass in the nozzle.

A' metallic shell 12 is provided for enclosing the base of the extension4 and the .outer portion of the nozzle with the exception of itsdischarge opening and the open ings 10.

Operating within the reservoir and mounted slidingly' through the top ofthe extension 4 is an air bell 14 the lower end of which may fit theinner end of the nozzle 8 for the purpose of segregating a charge 15 ofthe glass for every operation of'the bell, or if not in fitting contactwith the end of nozzle 8, to partially segregate a portion of the moltenglass from the surrounding mass above said discharge nozzle. The bell isplaced in communication through a tube 16, pipe 18, valve 20 and pipe 22with a source of compressed air, not shown, whereby upon operation ofthe valve, as hereinafter explained the force of compressed air may bemade one factor in ejecting the charge 15 out throughthe nozzle. Thetube 16 is also in communication with the pipe 24 leading to a pipe 26communicating with a. vacuum pump, not shown, whereby upon operation ofa valve 28 in pipe 24, a partial vacuum may be created in the bell forthe purpose of supporting the charge 15. The valve 28 is provided with acrank 30 for engagement with pins 32 on a bracket 34 'supported on theextension 4 so that the valve is opened on lowering of the bell andclosed on reverse movement thereof.

The tube 16 is slidingly mounted 1n the end of the arm 36 whichoverhangs the extension 4 and the upper end of. the tube 16 is pivotallyand slidingly connected to one end. of the counterbalanced arm 38 whichis pivoted in a bracket 40 carried by the arm 36. (See Figs. '2 and 4.)The arm 38 is I connected by a link 42 to the bell cranlr'44 mountedonthe standard 46 which supports the arm 36. The bell crank connectspivotally and slidingly with the plunger rod 48 which is slidinglymounted in the standard 46 and forced by a spring 50 to operate theconnections with the air bell to lower the latter. -The bell is liftedby movement of said rod in the opposite direction by means of a cam 52mounted on a shaft 54 (Fig. 3) which is carried vertically in bearingsprovided in a bearing frame 56 and the bed frame 58 of the apparatus.This shaft carrie's. a bevel gear 60 (Fig. 2) meshing with a similargear 62 on a shaft 64 journaled at one end in the frame 56 and at itsopposite end in a bearing bracket 66 at which end it is provided with abevel gear 68 for engagement with the similar gear 70 on a shaft 72carried by the bearing stand 74. The latter shaft is provided with asuitable clutch 76 and may be connected with any suitable powertransmission means, not shown. The shaft 54 also carries adjacent thecam 52,-a bevel gear 78 engaging a bevel gear 79 on a shaft 80 mountedangularly in bearings pro- 'vided respectively in the frame 56 and thebearing stand 82 located beneath the extension 4 adjacent the nozzle 8.J ournaled .u right in this stand is a shaft 86 (F provided with a bevelgear 88 meshing with the similar gear 90 on the adjacent end of theshaft 80. The shaft 86 has also secured thereto a cam 92 adapted toengage a roller I 94 carried by the plunger rod 96 which slides Ivertically in said stand 82. When released by the cam said plunger isactuated by a spring 98 to operate a bell crank 100 mounted on the stand82 and pivotally connected to the upper end of the plunger. One arm ofthe bell crank is provided with a slot 102 for receiving a roller 104journaled on a link 106, which with a pair of links 108 (Fig. 3) forms atoggle lever for operating a pair of knives 110 pivotally mounted on thestand 82 and provided'with openings 112 adapted to register with thedischarge opening of the nozzle 8. It will be understood that at theproper intervals the spring 98 is permitted to actuate the plunger tooperate the knives, in which operation they move their openings out ofregister with the nozzle whereby any excess glass flow or connectingstem of glass is severed with a shearlike action from the charge whichhas been expelled into the feed cup 114. x The openings 112, in knives110, may be made large enough to permit the free par- 90 sage of the cupcarrying shell 118 into contact with. feed nozzle 8. When the cupcarrying shell has been charged it drops enough to permit the knives toshear the glass.

This feed cup is provided with bottom I perforations 116, (Fig. 7),andis carried within a cylindrical shell 118 having a removable cap 120in which is a suitableopening to register with the openings 112 of theknives. The shell 118 also has a bottom 11m opening for air transmissionas hereinafter explained. The shell is removably and slid ingly mountedwithin a hinged collar 122 (Fig. 2) at the end of a shaft 124 mounted inthe end of a swinging transferring arm 126, said collar having leafsprings 128 at opposite sides of its center for engagementwith the cap120 for supporting the shell when the feed cup is charged and descendsfrom its receiving position, see Figure 2. Beneath the feed cup when thesame is in charge receiving position are provided connections carried bythe stand 82 for momentarily locking the shell 118 with its feed cup inregister with the discharge opening of J the nozzle, which connectionsalso provide means for transmitting suction to said cup. Referring toFigs. 7 and 9, a plunger 130 operates vertically in the stand 82 andcarries a tube 132 provided at its top with an apertured disk 134adaptedto fit the base of. the shell 118. This tube is in communicationthrough a tube 136 with the valve 20 controlling communication with thesuction tube 26. Connected with the lowerend of the plunger is a link138 which is connected with one arm ofthe bell crank 140 and formstherewith a toggle lever for rais- '1'n'g and lowering the plunger. Thisbell crank carries a roller 142 adapted to be e11- 130 gaged by a roller144 which is journaled on the outer edge of a rotating disk 146 securedto the lower end of the shaft 86 and provided with roller bearings 148on the bed frame 58. From this arrangement it will be,

"seen from the diagram in Figure l5,the feed cup is subjected to theinfluence of suction from the pipe 26 at the same time as pressure isadmitted through the pipes 22 and 1 8 to the air bell, as a consequenceof which the charge is immediately shot from the .bell through thenozzle into the cup 114.

Ierforations'116 in the bottom of the feed cup permit the escape of theair but are small enough to prevent the escape of any of the glassbecause of the viscousccharacter of the latter.

It will be apparent that the vacuum action in the air bell portion ofthe apparatus may be dispensed with except in cases where the glass isat such a high temperature as to flow very freely. The operation ofsuction through the base of the feed cup is important, however, asidefrom its mechanical action in effecting the discharge of the glass, forit removes substantially all the air from the cup and thereby avoidstheproduct-ion of any air bubbles in the glass charge.

While constant heating of the nozzle at the discharge point is also animportant feature, it will be observed that, if the operation of feedingcan be made substantially continuous, then this necessity of deliveringextra heat may also be in a large degree obviated since the nozzle willthen be maintained at a Eigh temperature by the heat from the glass InFig. 14 I show a modification operating on the same principle as abovedescribed with the exception that I mount on roller bearings 154 withinthe extension 4, a rotary bowl 156 containing the feed reservoir. Inthis modi l'ication the nozzle 8 is formed integral with the bowl and isheated in the same manner. through openings 10 in a separate casing 158.The bowl is provided externally with a gear 160 which meshes with a gear162 on a shaft 161 which may be driven in any convenient manner. B ythus rotating the bowl the glass in the feed reservoir is maintained atan the discharge opening of the bowl.

Referring now more particularly to Figs.

2, 5 and 11, illustrating the means for transferring the feed cup andits charge to the I point of location of the molds m 1), the arm 126 isshown as hinged at its rear end to a block 166 carried by a shaft 168mounted to slide vertically in the bearing sleeve 170 supported in thebed plate 169. The hinge connection between said arm and block is madesufficiently loose, see Fig. 5, to provide for a slight vertical play ofthe arm against springs 17 2 interposed between the block and adjacentend of the arm. To assist in guidingthe block 166 in its verticalmovement as well as to impart swinging movement thereto a yoke frame 174is provided, supported on a block 176 which is journaled for rotarymovement about the sleeve 170 and carried on ball bearing plates 178interposed between the said block and the bedplate. .The block 17 6 hasa grooved extension 180 for engaging a roller 182 on a sliding crank arm184 which fits the channel of the plate 186 (Figs. 1 and 6) secured tothe upper end of a shortvertical shaft 188 journaled in the bed frame58. This shaft 188 is rotated by means of a crank arm 190 which isconnected by a link 1.92 with a crank arm 194 at the lower end of theshaft 54 and also with acrank'196 carried by a shaft 198 journaled inthe frame 58 in vertical alignment with shaft 72 and provided with a,bevel gear 200 meshing with the gear 68. A stationary cam 202 is securedto the bed frame about the shaft 188 and provided with a groove 204 forreceiving a roller 206 carried by the crank 184. said groove 204 beingof such outline, see Figure 6, as to cause the crank 184 to swing theextension 180 and consequently arm 126 toward and away from the furnace,and allow said extension and arm 126 a slight pause at each end of theirswinging movement.

As the arm'126 moves away from the furnace, it is also given a Verticalmovement by the following mechanism:

Secured to the block 166 are the upper links of a pair of lazy tongs208, the lower links of which are pivoted to the block ,176. Foroperating the lazy tongs the latter are provided near their lower endswith a pair of rollers 210 engaged by the ends of a yoke lever 212pivoted at 214 to the block 176. The lever 212 is raised and lowered bymeans of a yoke 216 pivoted to the sides of the lever inclined cam surace 222 which is formed on a plate 224 secured to the base plate. Fromthis it will be apparent that as the block 176 is turned the rod 218will be reciprocated due to the cam surface and thereby operate the lazytongs to raise or lower the arm 126. At the outer limit of the armsmovement at the point where the charge 15 is to be delivered, it isnecessary to reverse the cup and this is accomplished by the followingmeans:

The inner end of the shaft 124 is fitted with a sleeve 226, see Figure13,'having helical grooves 228 in which operate pins provided on theinterior of a sleeve 232, the exterior of which sleeve is provided withpins 234 having heads fitting in guide grooves 236 formed in wear plates237 carried by the arm 126. By means of this construction whenever thesleeve 232 is reciprocated the sleeve 226 is rotated, thereby rotatingshaft 124 and inverting the feed cup. The sleeve 232 is reciprocated bymeans of a lever 238 pivoted upon the arm 126 and engaging shanks of thepins 234, said lever being provided with a link connection 239 with thelever 240 which latter is pivotally connected by the link 242 to the arm126 and also provided with a slot which, receives a guide pin 244projecting from the shaft 168 and through the top plate 246 of the frame174.

Intermediate the slotted arm of the lever 240 and the adjacent face ofthe block 160 is interposed a spring 248, the same being coiled aboutthe guide pin 244. It will-be noted that the cup is inverted when the"arm 126 is swung out from the furnace, at which time the lever 126 isalso raised thereby forcing the lever 240 against the "plate 246, thusoperating the lever to reciprocate the sleeve 232. It will also beobserved that the feed cup is givena sharp jar upon being invertedwhereby its contents are more effectively discharged. This is due to theshell which encloses said cup being slidingly mounted in the collar 122so that when the shaft 124 is turned the shell drops until its bottomflange is stopped by said collar and the shock thus incurred insures theproper discharge of the contents of the cup. Upon the return of the cupto the nozzle 8, during which return movement the arm 126 is lowered,the lever 240 is again operated in the reverse direction by the actionof spring 248 whereby the feed cup is restored to receiving position.

In operating the apparatus with compressed air back of the outflowingglass and with a Vacuum action in the feed cup, the procedures are asfollows: A quantity of glass is admitted into the nozzle when the airbell is elevated. Meanwhile the feed cup is brought into position foravertical elevation below the mouth of the nozzle. The

-segregated or partially portioned off glass in nozzle is prevented fromflowing out through the delivery opening thereof by a temporary vacuumcondition in the airbell.

Air pressure is then applied on the glass in the nozzle while the air inthe feed cup 1s exhausted, which combined force action upon the glasscauses a very rapid filling of the feed cup. The next instant thedifferential of the feed cup. The severing of the tension stem causeseach end thereoftorebound to its respective source. The charge of glassin the mold cup issmoved transversely from under the nozzle anddiagonally upward, during which motion the mold cup is completelyinverted by the time it reaches a discharging position over a shapingmold,

whereby an arresting shock is imparted to the feed cup dislodging themeasure of glass into the mold.

From the foregoing it is believed that the operation of the apparatuswill be clear without a more extended explanation, accordingly I willnow proceed to designate those particular features of the apparatuswhich I regard as new, it being understood that I do not desire to berestricted to the exact details of construction shown and described, butreserve the right to all changes falling within the spirit and scope ofthe appended claims.

I claim:

1. In an apparatus of the character described, the combination of areceptacle for molten glass and provided with. a downwardly directeddischarge opening, means for segregating a charge of glass for dischargethrough said opening, suction means for sustaining said charge of glassover said opening, means for releasing said sustaining suction, andmeans for producing a vacuum action ahead of the charge to expel thesame through said opening.

2. In an apparatus of the character described, the combination of areceptacle for molten lass and provided with a downwardly directeddischarge opening, means for segregating a charge of glass at saiddischarge opening, suction means for sustaining said charge over saidopening, means for introducing fluid pressure behind said charge, andmeans for producing a vacuum action ahead of said charge to expel thecharge through said opening, said means for introducing fiuid pressureand the means for producing a vacuum operating simultaneously andcooperatively.

3. In an apparatus of the character described, the combination of areceptacle for molten glass and provided with a. downwardly directeddischarge opening, means for segregating a charge of glass and sus-- Juncharge opening, of a cup, supporting means.

for holding the cup to receive molten glass from said discharge openingand to with draw it from below said .opening, means to invert the cupwhile thus withdrawn to effeet the discharge of its contents, andmeanswhereby the cup-is jarred while inverted to facilitate the discharge ofits contents.

5. In an apparatus of the character described, the combination with areceptacle for molten glass and provided with. a discharge openingfacing downwardly, a laterally swinging support, a cup adapted to beheld by said support at a point in the swinging movement thereof, belowthe said discharge opening, and means for clamping the cup firmlyagainst the receptacle around said feed opening. 6.In an apparatus ofthe character described, the combination with a receptacle for moltenglassand provided with a downwardlyfacing discharge opening, a movablesupport to underlie said opening at'times, a cup carried by said supportand adapted to receive molten glass from said discharge opening,yielding means interposed between the support and the cup to limitdownward movement of thelatter with respect to the former, and means toclamp the cup against said receptacle and around said dischargeopening.-

7. In an apparatus of-the character de scribed, the combination with areceptacle for-molten glass and provided with a down- 'wardly-facingdischarge opening, ofa cup,

means for supporting the cup and disposing it below said dischargeopening, means to lift the cup slightly after it has been thus disposed,and yielding means to'take the weight of the and impose it on saidsupgaged'from the cup. 8. In an apparatus of the character described, asuppoilt, a cup-carrying shell disposed vertically and slidingly in saidsupport, means to'invert the shell to permit it to slide downward in thesupport, and means to suddenly checksuch downward. movement.

9. In an apparatus of the character. described, a support, acup-carrying shell disposedverticallyand slidingly in said support,meansto invert the shell to permit it to slide downward in the support,and a projection from the shell to strike the support ing means has beendisenand thereby suddenly arrest the downward movement of the shell.

' 10. The combination with a receptacle for molten glass having adischarge opening through which molten glass may flowdownwardly, a cup,means for moving the cup in an upward and downward direction and adaptedto cause the cup to'register and ing, means for holding the cup against'the receptacle, and means to sever the'molten after the'latter startsto move downward.

11. In an apparatus of the character described, the combination .ofareceptacle for molten glass and" provided with a discharge opening, afeed cup, a feed form an air tight connection with said openglassflowing from said opening into the cup her and moving means beingconstructed and arranged to permit a slight dropping movement of saidmember and cup upon being inverted. 1

12. In a glass feeding and delivering mechanism, a feed cup, a feed cupcarrying member, means for transferring said member and cup fromcharging "position to delivering position, inverting said member and cupin delivering position, said member and transferring means beingconstructed and arranged to permit a slight droppingmovement of saidmember and cup upon being inverted.

13. In a glass feeding and delivering. mechanism, a feed cup, a feed cupcarrying member, said member being provided with top and bottom flanges,means for transferring said member and cup from charging position todelivering position, said means being provided'with a device slidinglyengaging said member betweensaid flanges. and means for inverting saidmember and cup in delivering position, whereby said member and cup arepermitted a slight dropping movement as said member slides upon saiddevice.

14. The combination with a receptacle for molten glass having adownwardly opening discharge outlet, of a mold charge transfer cupadapted to cap .the outlet to receive a charge of glass therefrom, meansfor oscillating the cup laterally toward and from scribed, thecombination with a receptacle for molten glass, and provided with adownwardlyfacing discharge opening, of a support, a. cup-carrying shelladapted for vertical movement on the support, a head underlying the saiddischarge opening, a toggle for raising the head until it forces theshell against the receptacle around the discharge opening, and rotatingmeans to al- I ternately engage the toggle to raise the head and releasethe toggle to lower the head.

17. In an apparatus of the character described, the combination with .areceptacle for molten glass, and provided with a downwardly-facingdischarge opening, of a support, a tubular shell adapted for verticalmovement on the support, a cup'within the shell and provided with aperforated bottom, a head underlying the shell, means for raising theshell and clamping it around the opening and against the bottom of thereceptacle, and means for producing a vacuum through said head andwithin said cup to effect the discharge of molten-glass from thereceptacle into the cup.

18. In an apparatus of the character described, the combination of areceptacle for molten glass provided with a downwardlyfacing dischargeopening, a cu supported beneath said opening, a pair 0 perforated knivesarranged between the cup and the bottom of the receptacle with theirperforations in communication with said discharge opening and said cup,and means for operating said knives to shear molten glass extendingthrough their perforations.

19. In an apparatus of the character described, a support, a shaftcarried by and journalled therein, a cup carried by said shaft,meansi'for sliding said shaft endwise,

- and means to rotate said shaft in one direction to invert the cup andin the reverse direction to restore it to upright position.

20. In apparatus for separating charges of molten glass, a containerhaving a discharge outlet, a charge shaping transfer cup adapted to forma pneumatic working connection with the outlet, means for producing 21,In apparatus for separating charges of molten lass, a container having adischarge outIet, a charge-receiving transfer cup adapted to form apneumatic working connection with the outlet, a laterally swingingsupport for said cup arranged to oscillate the cup toward and from saidoutlet, and means to rotate thecup whereby the sameis brought intocharge-receiving posi- -tion at the outlet, and is inverted whendisplaced from said outlet to discharge its contents.

22. In an apparatus for separating molten glass into mold charges, thecombination of a receptacle for the glass having a submerged outlet, amember within the receptacle having a chamber opening toward the outlet,and having its'lower edge submerged in the glass, and automatic meansoperating in a predetermined order and time, for periodically creating avacuum within the chamber to prevent the discharge of glass from theoutlet, and for supplying compressed air to the chamber to discharge theglass from the outlet.

.23. In an apparatus for separating molten glass into mold charges, thecombination of J a receptacle for the glass having an outlet,

a mold charge transfer cup adapted to form a pneumatic workingconnection with the outlet and enclose glass discharging from'- saidoutlet, means for raising and lowering the cup toward and from theoutlet, means for varying the pressure in the cup for producing adifferential pressure between the interior of the cup and the interiorof the receptacle, and mechanically operated shears for severing theglass beneath the outlet,

said shears being automatically actuated,

- when the cup is lowered from said outlet.

24. In apparatus for separating molten glass into mold charges, thecombination of a receptacle for the glass having a discharge outlet,severing means operating periodically beneath the outlet, means beneaththe outlet for supporting the discharged glass, and means for loweringthe supporting means in timed relation to the operation of the severingmeans to attejntuate the glass between the supporting means and theoutlet.

'25. The combination with means for supplying a flow of molten glass, ofmeans for segregating the glass into individual masses, a glass formingmachine comprising a series of molds, and a transfer cup arranged toreceive said charges and trans-' fer them to a position over the -moldsand drop them into the molds.

26. In apparatus for separating molten glass into mold charges,comprising a receptacle for the glass having a submerged dischargeoutlet, the combination of a transfer cup, means for raising the cupinto pneu matic working connection with the outlet, and for lowering thecup from said outlet, means for periodically producing apartial vacuumin the cup, and shears arranged to close-above the cup for severing theglass between tlie cup and the outlet 1n timed-relation to the saidmovements of the cup.

27. In apparatus for separating molten glass into mold charges,comprising afreceptacle for the glass having a submerged di schargeoutlet, the combination of a member projecting-into the glass above-theoutlet and movable in vertical alignment there-' with, means for movingsaid'mem'berperiodr ically, a mold charge transfer cup, means forswinging the cup into and out of position to cap the outlet in timedrelation to the movements of the} said member, means for pev riodicallyvarying the pressure in the cup in timed relation to the movementsofjsaid member, and shears arranged to close" above the cup for severingmold charges from, the discharged glass in timed relation to the saidmovements of the cup. V

28. The combination of a receptacle to contain molten glass, having anoutlet orifice l in the bottom thereof, a regulator projecting downwardinto the glass above said orifice, means to reciprocate saidregulatorverti-, cally, a forming cup, means to periodically move saidcup into positionbeneath' said orifice in synchronism with the movementsof the'regulator, and means to exhaustthe air irom said forming cup.

.29. A molten glass supply having a suli merged opening, relativelymovable means for withdrawing molten glass from the supply through saidopening, said means be: ing movablelaterally to a position adjacent saidopening and then directly towardsaid opening into sealing position at;said.open ing and then downward, and a shear operablerelatively to themeans for severing the molten glass from saidmeans 30. A glass tankhaving anoverhanging portion provided withv a .bottom opening therefrom,means for intermittently removing glass from said opening, said meansbein movable laterally to a positionadjacent said opening. ,and thendirectly toward, said openin into sealing position at said open "ing anthen downward,-'anda. shear operable relatively to the means forsevering the molten glass from said means.

31. A glass tank having a pool of moltenglass, said tank having aprojectin portion into which the pool extends, sai 1 portion beingprovided with a bottom outlet, rela tively movable means for withdrawingmaterial from 'the'pool through the outlet, said means being movablelaterally to a position adjacent said outlet, and then directly towardsaid outlet into sealing position at said outlet and then downward, anda shea operable relatively to the means for severing the molten glassfrom said means.

A glass tank having a pool of molten glass, said tank having aprojecting portion pool through the outlet, said meansgbeing movablelaterally .to .a position adjacent said outlet, and then directly,toward said outlet into sealing position at said outlet and thendownward, and a shear operable relatively to the means for severing themolten glass from said means. j

33. A glass tank having *a'pool of molten glass, said tank having aprojecting portion into which the pool'extends, said portion beingprovided with a bottom outlet, intermittently operable, means forwithdrawing material. from the pool through the outlet, said means beingmovable laterally to a position adjacent said outlet, and then directlytoward saidoutlet into sealing position at saidoutlet and then downward,and-a shear operable relatively to the means for severing the moltenglass from said means. 1 I 34:. A glass tank having apool ofmoltenglass, 'said' tank having a projecting portion into which the poolextends, said portion being provided with a bottom outlet, interdrawingmaterial from the pool through the outlet,-said' means being movablelaterally to a position adjacent said outlet, and then directly towardsaid outlet into sealing position at said outlet and then downward, anda shear operable relatively to the means for severing the molten glassfrom said means.

35. A glass forming mechanism, a molten glass supply havin I a flow-01foutlet, asuction gatherenther'e etween movable directly I toward saidoutlet into sealing comm'unica-.

tion with said outlet, and power mechanism for the gatherer to removelass from'the supply and deliver to. the orming' mechan1sm. v

36. A glass supply tank having a subios merged outlet, a gatherreceiving vessel horizontally movable into position to said outlet''then vertically movable into sealing position at said outlet, andrelatively movable suction means for drawing glass from the tank intothe vessel and operable when the vessel is in receiving position at thetank, and a. shear operable relatively to the vessel and the outlet andbetween the vessel and outlet for cutting ofli a gather of glass forthevessel. 1

.37. A gatherer comprising a rotary car- .:rier, a receiving vesselmounted on the carrier, a supply having a flow-01f outlet,.meansforshifting the vessel as to the carrier into position at the outlet,intermittent driving means for the carrier, and a shear operablerelatively to-the vessel and theoutlet and" between the vessel andoutlet for cutting off a'jgather of glass for the. vessel.

38. A lass tank havinga submerged out-' let," a gather receiving vessellaterally shiftable into position as to the tank and thendirectly'movable toward said outlet to seal said outlet, and a shearoperable relatively to the vessel .and the outlet and between the vesseland outlet for cutting off a gather of glass for the vessel.

39 A glass tank having a submerged outlet, a gather receiving vessellaterally shift! able into position as to the tank. and then directlymovable toward said outlet to seal said outlet, suction means coactingthrough the vessel to draw glass from the tank through the outlet intothe vessel, and a shear operable relatively to the vessel and the outletand between the vessel and outlet for cutting off a gather of glass forthe vessel.

40. A glass tank having a submerged outlet, a gather receiving vessel,means or horizontally shifting the vessel into position at said outletand then vertically shifting the vessel to seal the outlet from thetank, suction means coacting through the vessel to draw glass from thetank through the outlet into the vessel, and a shear operable relativelyto the vessel and the outlet and be tween the vessel and outlet forcutting off a gather of glass for the vessel.

41. A glass tank having a submerged outlet, a gather receiving vessel,means for shifting the vessel horizontally into position at theoutletand then vertically to seal the outlet from the tank, suctionmeans coacting through. the vessel to draw glass from the tank throughthe outlet'into the vessel, and a pair of relatively movable shearmembers movable relatively to the outlet and vessel and coacting 'uponrecession of the vemel from the outlet to cut ofi a charge of glass inthe vessel from the tank;

42. glass tank having a. submerged outlet, a gather receiving vessel,means for shifting the vessel into position to seal the outlet from thetank, suction means coacting through the vessel to draw glass from thetank through the outlet into the vessel, a pair of relatively movableshear members movable relatively to the outlet and vessel and coactinguponmovement ofthe vessel from the outlet to cut ofi' a charge of glassin the vessel from the tank, and means for shifting the charge carryingvessel laterally from the outlet.

43. A glass tank having a submerged outlet, a gather-receiving,transfervessel, means for horizontally shifting the vessel to position adjacentthe outlet and then lifting the vessel into position to seal the outletfrom the atmosphere and mechanically operated shears mounted relativelyto the vessel and the outlet, and between the vessel and outlet, saidshears being arranged to meet be neath the outlet for cutting offagather of glass for the vessel. 44. A glass tank having a submergedoutlet,v a charge-receiving vessel, means for shifting the vessel,carrying the cut-off charge laterally into position over the mold, andmeans for actuating the vessel to effect a transfer of the glasscontained therein-to the mold.

45. The combination of a container for molten glass having a submergedoutlet,

a charge-enclosing cup, means for moving the cuphorizontally toward andaway from the axis of the outlet, a fixed support, a head mounted forvertical movement upon said support, means for moving the head intocon-tact with and cooperative relation with the bottom of said cup whensaid cup is in axial alignment with said outlet, means for establishinga s-ubatmospheric pressure within the cup to aid the discharge of glassfrom the outlet, means for severing the glass between the outlet and cupsubsequent to the establishment of the subatmospheric pressure withinthe cup, and means for operating the cup, head and severing means intimed relation. 1

46. In apparatus for separating molten glass into mold charges, areceptacle having a discharge outlet, a charge-shaping'cup arranged toconnect with the outlet in chargereceiving relation, a laterallyswinging support for supporting the cup, a shaft carried bydthe supportand connected to said cup, an

for rotating said shaft to invert the cup to discharge its contents whendisplaced laterally from the outlet and also to restore said cup to itscharge-receiving position when returned beneath the outlet.

47. In apparatus for delivering charges of molten glass from a containerhaving a downwardly opening discharge outlet, a laterally swingingsupport,a charge-receiving cup arranged to connect with the outlet,means including ahinged clamp for detachably mounting the cup on saidsupport, and means for swinging the support.

48. In apparatus for separating molten glass into mold charges, thecombination with a receptacle having 'a downwardly opening dischargeoutlet, of a laterally swmging support, a cup-carrying shell detachablymounted on said support, a charge-shaping cup located within said shell,said cup having perforations communicating with the shell, and means forcreatlng a differential pressure in the cup when the cup-carrying shellis placed in close communication with the outlet. 1 49. A glass tankhaving a submerged outlet, a mold-charge shaping cup, automatimeansassociated with the support the cup in sealing relation with the outlet,

automatically operated suction means coacting through the cup andoperated in timed relation with the cup movements for'drawing glass fromthe supply in the tank, automatically operated means for then loweringthe cup to attenuate the glass between the outlet and the cup, shearmeans operable automatically in timed relation with the cup movements tosever the attenuated glass, and automatically operated means fordischarging the contents of the cup.

50. The method of working glass which consists in-providin'g a moldcharge receiving receptacle and periodically locating the .same adjacentto a glass delivery outfit, es-

tablishing sub-atmospheric pressure in said receptacle, delivering amass of glass to sald receptacle during the maintenance of thesub-atmospheric pressure within the receptack, and applying air underpressure above the mold charge from above the outlet during themaintenance of the sub-atmospheric pressure, thereby forcing the glassdownwardly. into said receptacle and into uniform contact withsubstantially all portions thereof.

51. In apparatus for feeding molten glass, a glass container having adownwardly opening delivery outlet, means oscillatedlaterally to andfrom the line of flow from said outlet and movablev vertically beneaththe outletto and from position for receiving glass issuing through theoutlet, and means disposed constantly beneath said outlet and movablerelatively to the glass-receiving means to and from position totemporarily maintain said glass-receiving means in its said glassreceiving position.

52'. In apparatus for feeding molten glass, a glass container having adischarge outlet, means movable to and from position beneath said outletto support glass discharged through said outlet, and means dlsposedbeneath said outlet constantly and movable into and out of contact withsaid glass supporting means for periodically locking said supportingmeans against movement relatively to said outlet. p

53. 'In apparatus for feeding molten glass, a glass container having adischarge outlet,

j a mold charge transfer cup oscillated laterally to and om a positionbelow said outlet for supporting glass discharged through said outlet,and movable means disposed constantly beneath said outlet and movable toand from position to periodically lock said supporting-means againstmovement relatively to said outlet.

54:. In apparatus for feeding molten glass, 3. glass container having adischarge outlet, means movable beneath said outlet for supsupportingmeans into capping relation with the outlet and for locking saidsupporting means against movement from said outlet capping position. 7

55. 1 In apparatus for feeding molten glass, a glass container having adischarge outlet, a member movable beneath said outlet for supportingand confining glass discharged through said outlet, and means disposedconstantlyv below said outlet for periodically locking said supportingmember against movement relatively to said outlet, and forsimultaneously causing a suction within said glass supporting andconfining member.

56. In apparatus for feeding molten glass, a glass container having adelivery outlet in its base, glasssupporting means movable below theoutlet in the line of flow of the glass discharged "through the outlet,and means disposed contantly below said outlet and movable relatively tothe supporting means for periodically maintaining said glass supportingmeans in a position close to said outlet and for locking said glasssupporting means against movement relatively to the outlet.

57. In apparatus for feeding molten glass, a glass container having adelivery outlet in its base, glass supporting means movable to and fromposition to cap said outlet and then to support glass discharged through'the outlet, and other means dis osed constantly below the outlet.andmova le into engagement with the glass supporting means for raising.said glass supporting means-to said capping position and for temporarilymaintaining said supporting means insuch, position. k

58. In apparatus for feeding molten glass,

a glass container having a delivery outlet in its base, glass supportingmeans movable vertically below the outlet in the line of flow of theglass dis'chargedthrough the outlet,

and other means located constantly below said outlet fortemporarllyengaging and maintaining said supporting means at the upperlimit of its vertical movement so that receiving receptacle, forming aseal at the top of the receptacle against the admission of airthereinto, exhausting the air aim the cavity of the receptacle wherebythe' entrance of the glass into the receptacle isr'facilitated,

' a. downwardly opening discharge outlet, stathe cu.

tiona rounding said outlet for preventing the ac cumulation of chilledglass at said outlet, a mold charge transfer cup adapted to cap theoutlet to receive, a charge of glass therefrom, means for oscillatinsaid cup laterally toward and from isai outlet, and mechanicallyoperated shears arranged to meet between the 'cup and the outlet tosever the glass in timed relation with the movement of the cup.

61. Apparatus for feedingx molten glass, comprising a container for t eglass having a downwardly opening discharge outlet, stationary heatingmeans adjacent to and surroundin said outlet'for preventing theaccumulation of chilled glass at said outlet, a mold charge transfer cupadapted to "cap the outlet to receive a charge of. glass there from,means for oscillating the cup laterally toward and from said outlet,means for causing said cup to assist in controlling the issue. of glassthrough; said outlet, and me chanically operated shears arranged to meetbetween the cup and the outlet-tosever the glass in timed relation withthe movement of 62; pparatus 'fOr feedingI comprismg a container fort adownwardly opening dischargeoutlet, sta .tionary. heating means adjacentto and sur rounding said outlet for preventing the accumulation ofchilled glass at said outlet, a

mold charge transfer cup adapted to cap the outlet to receive a chargeof glass therefrom, means for oscillating the cup laterally toward andfrom the outlet, means for creating a differential fluid pressure atopposite ends of the glass discharging into' said cup, while said cup isbelow said outlet, and for thereby assisting in controlling the issue ofglass through said outlet, and mechanically operated shears arranged tomeet between the cup and the outlet to sever the glass in timed relationwith the movement of the cup.

63. Apparatus forfeeding molten glass,

compris ng a container for the glass having a downwardly openingdischarge outlet, stationary heating means adjacent to and surroundingsaid outlet for preventing the accumulation of chilled glass "at saidoutlet,-

: a. mold charge transfer cup adapted to cap the outlet to'receive acharge of glass therefrom, means for oscillating the cup laterallytoward andflfrom said outlet, means for creating an abnormal fluidpressure within heating means adjacent to and sura downward saidcup,while' said cup is in capping rela outlet, and mechanicallyoperatedshears arranged to meet between the cup and the outlet to severthe glass in timed relation with the movement of the cup: a

' 6 t. Apparatus for feeding molten glass, com rising a container forthe glass'ha-ving a timedrelation with the movement of the'cup.

65: Apparatus for feeding molten glass, comprising a container for theglass having a downwardly opening dischargeoutlet, a

stationary annular heater adjacent to and surroundlng said outlet, a cupmovable vertically vto 'and,from position to cap said outlet andoscillated laterallyto and 'from osition below said-outlet, means forcaus- -v mg said cup to assist in controlling the ismolten "glass,efigla'ssh ving' sue of glass through saidfoutlet, and mechanical yoperated shears arranged to meet between the cup and the outletto severthe glass in timed relation with the movement of the cup.

comprising opening discharge outlet, a cup movable to andfromTpo's'ition below said outlet, means for causing said cup to assistin controlling the issue of glass through said outlet, a hollow 'annularheater surrounding said outlet, and completely closed at the dischargeend of the outlet, and means for severing mold charges from the glassbelow said outlet.'

.67.. Apparatus for -feedin molten glass,

comprising a container for t e glass having a downwardly openingdischarge outlet, a heater adjacent to theoutlet, a glass sup portingcup oscillated laterally to and from a position; below said outlet andmovable vertically-below the outlet to and from position to'cap theoutlet, and mechanically operated shears arranged to meet between thecup and the outlet to sever the glass in timed relation with themovement of the cup.

In testimony whereof, I afiix niv signature,

ENOGH T. FERNGREN,

ownwardly opening discharge outlet, 7 .means Wltlllll'Sflld containerfor controlling '66. Apparatus for ieedm vmolten glass,-

container for t e glass having 1 I CERTIFICATE or commotion.

rarest No. 1,677,436. I Granted July 11, 1928, w

auocu T. )FERNGREN. i

It is hereby certified that error appears in the printed specificationof the above numbered patent requiring correction as follows: Page 3,line 67, strike out the small letter "m" and insert acapital "M"; line99, after "206" insert "(Figs 1 and '5)";'line 102, before the word"arm" insert the article "the"; .line l10, after "208" insert "(Fig.5)"; line 114, after "210" insert "(Fig 6)";

line 122, after the word "plate" insert "(Fig. 10)"; page 4, line 1, forthe word "reverse" read."invert"; line 5, strike out "see Figure 13"vand insert instead "(Figs 11, 12 and 13)"; line 13', after the word"rotating" insert the article "the"; line 1-5; after the word."reciprocated" insert the words "to invert the cup"; line 19, after"240" insert "(Figs 2 and 3)"; line 20, "after the word "and" insert theword "is"; line 24, for the word "Intermediate" read "Between"; line25', strike out "160" and insert the numeral and word "166: there";line.26, after "248" strike out the comma, and insert parentheses aroundthe-words "the same being"; line 30, for the word "lever" read "arm";line 46, after "of" insert the article "the"; line 58, after "in" insert"the"; line 63,, for "force action" read "forces acting"; line 64, forthe word "causes" read "cause"; line 74, for "tension" read "tensioned";line 76, strike out the word "respective"; line 89. after the word"apparatus" insert the words "and method";and that said Letters Patentshould be rcad'with these corrections therein that the same may conformto the record of the. case in the Patent Office.

Signed and sealed this, 11th day of September, A. D. 1928.

M. J. Moore,

(Seal) I I Acting Conmissioner of Patents.

DISCLAIMER 1,677 ,436.En0ch T. Ferngren, Beaver, Pa. GLASS [FEEDING AND'DELIVE'ERIICIG MECHANISM AND PROCESS. Patent dated -Ju1y.17, 1928.Disclaimer filed a January 26, 1935, by the assignee, Hartford-EmpireCompany. Hereby disclaims saidclaim 22 for the purpose of complyingwithwhat is understood to be required by law and to'safeguard. said ownersrights under the claims of sa1d patent not hereby disclaimed; allwithoutin any way modifying the scope, or affecting the validity, of theclaims remaining in said patent.

"22. In apparatus for separating molten glass into mold charges-thecombinat1on of a receptacle for the glass having a submerged outlet, amember within the receptacle having a chamber opening toward the outlet,and' having its lower edge submerged 1n the glass, and automatic meansoperating in a predetermined order and time, for perlodically'creating avacuum within the chamber to prevent the discharge of glass from theoutlet, and for supplying compressed air to the chamber to discharge theglass from the outlet.

[Ofiimlal Gazette February 26,1935]

